Geometry Practice Question and Answer
8 Q: In ΔABC, AB=c cm, AC= b cm and CB=a cm, If ∠A=2 ∠B, then which of the following is true?
767 06051c698a37d522d6c151f0f
6051c698a37d522d6c151f0f- 1$$ {a^{2}=b^{2}-bc}$$false
- 2$$ {a^{2}=b^{2}-ac}$$false
- 3$$ {a^{2}=b^{2}+bc}$$true
- 4$$ {a^{2}=b^{2}+ac}$$false
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Answer : 3. "$$ {a^{2}=b^{2}+bc}$$"
Q: If the area of a circle, inscribed in a equilateral triangle is 4 π cm2, then what is the area of the triangle?
760 0605c56e8c5cd4764959facc1
605c56e8c5cd4764959facc1- 1$$ {12\sqrt{3}\ cm^{2}}$$true
- 2$$ {9\sqrt{3}\ cm^{2}}$$false
- 3$$ {8\sqrt{3}\ cm^{2}}$$false
- 4$$ {18\ cm^{2}}$$false
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Answer : 1. "$$ {12\sqrt{3}\ cm^{2}}$$ "
Q: If one angle is half of its complementary angle, find that angle.
759 05f758e7af66ef56de84d6b3d
5f758e7af66ef56de84d6b3d- 130°false
- 260°true
- 3180°false
- 4120°false
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Answer : 2. "60°"
Q: If the ratio of the measurement of the four angles of a quadrilateral is 1: 2: 3: 4, then the measurement of its smallest angle is-
754 05f758edef66ef56de84d7dad
5f758edef66ef56de84d7dad- 1120°false
- 236°true
- 3100°false
- 418°false
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Answer : 2. "36°"
Q: If each interior angle is doubled of each exterior angle of a regular polygon with n sides, then the value of n is
752 060f7e2cd5ae2256f5e7fdaa0
60f7e2cd5ae2256f5e7fdaa0- 13false
- 26true
- 35false
- 48false
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Answer : 2. "6 "
Q: A circle with radius 42 cm is drawn. What will be length of arc of a sector subtending an angle of 60 degrees at the Centre?
751 05ff83007bfde3c2d396435b5
5ff83007bfde3c2d396435b5- 144 cmtrue
- 222 cmfalse
- 366 cmfalse
- 488 cmfalse
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Answer : 1. "44 cm"
Q: If the ratio of the heights of two identical triangles is 4: 9, find the ratio of the areas of the two triangles.
749 05f759216e487e60dcecd3581
5f759216e487e60dcecd3581- 116 : 81true
- 24 : 9false
- 39 :4false
- 481 : 16false
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Answer : 1. "16 : 81"
Q: Each side of an equilateral triangle is 4 cm. What will be its area?
748 05f75a6e1c995cb2bd59106c8
5f75a6e1c995cb2bd59106c8- 1$$ {2\sqrt{3}}$$false
- 2$$ {4\sqrt{3}}$$true
- 330false
- 464false
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